IR2175 International Rectifier, IR2175 Datasheet

IC CURRENT SENSE 0.5% 8DIP

IR2175

Manufacturer Part Number
IR2175
Description
IC CURRENT SENSE 0.5% 8DIP
Manufacturer
International Rectifier
Datasheet

Specifications of IR2175

Function
Current Sense
Accuracy
±0.5%
Voltage - Input
9.5 ~ 20 V
Current - Output
20mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Sensing Method
-
Other names
*IR2175

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IR2175
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IR
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8 000
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IR
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20 000
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Part Number:
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Block Diagram
Features
Description
The IR2175 is a monolithic current sensing IC designed
for motor drive applications. It senses the motor phase
current through an external shunt resistor, converts from
analog to digital signal, and transfers the signal to the
low side. IR’s proprietary high voltage isolation tech-
nology is implemented to enable the high bandwidth
signal processing. The output format is discrete PWM
to eliminate need for the A/D input interface for the
IR2175. The dedicated overcurrent trip (OC) signal fa-
cilitates IGBT short circuit protection. The open-drain
outputs make easy for any interface from 3.3V to 15V. S
Input overvoltage protection for IGBT short circuit
Floating channel up to +600V
Direct digital PWM output for easy interface
Also available LEAD-FREE
Monolithic integration
Low I
Independent fast overcurrent trip signal
Open Drain outputs
Linear current feedback through shunt resistor
High common mode noise immunity
condition
PWM Output
Overcurrent
QBS
GND
allows the boot strap power supply
15V
VCC
COM
PO
OC
IR2175
VS
VB
V+
LINEAR CURRENT SENSING IC
Product Summary
Packages
Overcurrent trip level
8 Lead PDIP
Overcurrent trip
signal delay
Gain temp.drift
IR2175
V
OFFSET
I
QBS
V in
f o
Data Sheet No. PD60208 Rev. E
IR2175(S) & (PbF)
Up to 600V
(Refer to Lead Assignments for cor-
rect pin configuration). This/These
diagram(s) show electrical connec-
tions only. Please refer to our Appli-
cation Notes and DesignTips for
proper circuit board layout.
+/-260mVmax
20ppm/
130kHz (typ.)
To Motor Phase
2 sec (typ)
+/-260mV (typ.)
600Vmax
8 Lead SOIC
2mA
IR2175S
o
C (typ.)

Related parts for IR2175

IR2175 Summary of contents

Page 1

... Open Drain outputs Also available LEAD-FREE Description The IR2175 is a monolithic current sensing IC designed for motor drive applications. It senses the motor phase current through an external shunt resistor, converts from analog to digital signal, and transfers the signal to the low side. IR’s proprietary high voltage isolation tech- nology is implemented to enable the high bandwidth signal processing ...

Page 2

... IR2175 (S) & (PbF) Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. ...

Page 3

... Min. Typ. Max. Units Test Conditions 100 130 — 500 — 9 — 91 — 15 — - — 1.5 IR2175 (S) & (PbF) 260 — mV — (Note — 165 %/V max gain error=5% (Note 2) o — ppm µ 600V B S — ...

Page 4

... IR2175 (S) & (PbF) Timing Waveforms PO PO Carrier Frequency = Figure 1 Output waveform Application Hint: Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these values at each PWM period gives consistent measurement of the current feedback over the temperature drift ...

Page 5

... High side supply B V High side return S PO Digital PWM output Overcurrent output (negative logic) OC N.C. No connection Lead Assignment COM lead SOIC Also available LEAD-FREE (PbF) IR2175S www.irf.com VIN Also available LEAD-FREE (PbF) IR2175 (S) & (PbF) VC VIN COM lead PDIP IR2175 5 ...

Page 6

... IR2175 (S) & (PbF) Case Outlines 0.25 [.010 0.25 [.010 NOTES: 1. DIMENSIONING & TOLERANCING PER ASME Y14.5M-1994. 2. CONTROLLING DIMENSION: MILLIMETER 3. DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES]. 4. OUTLINE C ONFORMS TO JEDEC OUTLINE MS-012AA Lead PDIP FOOTPRINT 8X 0.72 [.028 6.46 [.255] 3X 1.27 [.050] 8X 1.78 [.070 45° ...

Page 7

... Assembly site code Per SCOP 200-002 ORDER INFORMATION Leadfree Part 8-Lead PDIP IR2175 order IR2175PbF 8-Lead SOIC IR2175S order IR2175SPbF Qualification Standards can be found on IR’s Web Site http://www.irf.com Data and specifications subject to change without notice. IR2175 (S) & (PbF) IR logo Lot Code market ...

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